Explainer: How 5G drove moves by Apple, Qualcomm and Intel

Apple Inc and Qualcomm Inc on Tuesday settled an acrimonious two-year legal dispute. Shortly afterward, Intel Corp said it will exit the smartphone modem chip business. The entire drama played out as the mobile phone industry prepares to shift to a technology called 5G. Echoing complaints from the U.S. Federal Trade Commission, Apple had alleged that Qualcomm used its patent licensing business to keep a monopoly on modem chips that connect devices like the iPhone to wireless data networks. Qualcomm insisted that Apple was using its valuable technology without proper payment, and Apple later dropped Qualcomm`s chips in favor of those from Intel. In the end, Apple and Qualcomm ceased all litigation, with Apple signing a six-year licensing deal with Qualcomm and also agreeing to buy Qualcomm chips. Hours later, Intel said it was getting out of the modem chip business.

WHAT IS 5G?
5G is a new network technology for wireless communications that could be up to 100 times faster than current 4G networks. The networks are coming on line in the United States, China, South Korea and other places this year, but probably will not be widespread until 2020. Modem chips connect devices like phones to these networks. 

WHO ARE THE PLAYERS IN 5G?
Prior to Tuesday, five companies had disclosed 5G modem chips or plans to make them: Qualcomm, Intel, MediaTek Inc, Huawei Technologies Co Ltd and Samsung Electronics Co Ltd. Samsung and Huawei, however, only make chips for their own mobile phones. 

WHY DOES APPLE CARE ABOUT 5G?
Some of Apple`s rivals in the smartphone market - notably Samsung - plan to release 5G devices this year, which could put pressure on Apple to match the feature. Many carriers that are investing heavily to build 5G networks are also likely to put their marketing efforts behind 5G phones. 

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WILL APPLE EXCLUSIVELY USE QUALCOMM`S CHIPS?
Not necessarily. While Apple and Qualcomm signed a supply agreement, Apple is working on developing its own modems and disclosed in court earlier this year that it has held talks with MediaTek and Samsung around modems.

WHY DID INTEL SHARE RISE AFTER IT EXITED THE MODEM BUSINESS?
Intel Chief Executive Bob Swan has told investors in the past that modem chips are not likely to fetch the same high margins as its CPU chips. Intel has plenty of other ways to make money from 5G, like selling CPUs to makers of base stations and so-called programmable chips to makers of networking gear.